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WO/2024/075236A1 |
In the present invention, a first communication line (F1) transmits a control signal (S) from an interface circuit (34) to an n-th drive circuit (GDn) in sequence via a first drive circuit (GD1). A second communication line (F2) transmit...
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WO/2024/075407A1 |
A switch device 1 includes, for example, a power supply terminal T1 to which a power supply voltage VBB is supplied, an output terminal T2 to which a load is externally connected, a switch element 10 connected between the power supply te...
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WO/2024/074187A1 |
There is disclosed herein an energy storage module (1) for an energy storage system (100). The energy storage module (1) comprising at least one capacitor (10) for storing electrical energy and a diode (30) arranged antiparallel to the c...
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WO/2024/077213A1 |
In one embodiment, an electrical propulsion system includes an electrical motor configured to drive one or more propellers of the aircraft, a capacitor configured to stabilize a direct current (DC) bus voltage, a first inverter circuit c...
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WO/2023/250457A3 |
One goal of embodiments of the present invention is to provide manufacturing methods for producing high-temperature superconducting (NTS) and medium-temperature superconducting (MTS) materials for use in commercial applications. It is, t...
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WO/2024/066988A1 |
Provided are a lightning strike protection circuit and protection method for a power supply. The circuit comprises: a first current detection circuit (303), a control circuit (304), a first element (301), and a second element (302); a ca...
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WO/2024/067317A1 |
A photovoltaic system (10), and a circuit protection method for the photovoltaic system (10). The photovoltaic system (10) comprises an active protection switch (103), a direct current-direct current conversion circuit (106) and a contro...
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WO/2024/070456A1 |
A power source unit (10) is provided with a bias route (40, 40a-40c) through which some of the current including the lightning surge current, which overlaps the current from a power source (2), flows, and is further provided with an impe...
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WO/2024/068103A1 |
The present disclosure relates to a method for controlling a protection system for an electrical power system comprising a transmission line, the method comprising: determining a plurality of phase angle deviations based on network model...
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WO/2024/070688A1 |
This power storage system comprises: a housing; a bank constituted by connecting a plurality of power storage elements in series; and a protection unit that turns ON and OFF a power line of the bank. A plurality of the banks are housed i...
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WO/2024/070418A1 |
Provided is a protective element capable of quickly and reliably melting and cutting even when the size of the cross-sectional area of a fuse element increases. This protective element 1 has: an insulating substrate 2; a heating body 4...
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WO/2024/061473A1 |
A method of detecting earth faults at a frequency converter (3) connected between a first grid (1) operating at a first frequency (f1) and a second grid (2) operating at a different, second frequency (f2) comprises determining a common m...
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WO/2024/060124A1 |
The present application relates to an overvoltage protection method, an apparatus, a computer device and a storage medium, which are applied to a high-voltage cascaded energy storage system, the high-voltage cascaded energy storage syste...
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WO/2024/063756A1 |
Pre-charge circuits for a direct current (DC) bus (202) are provided. In one aspect, the pre-charge circuit comprises a varistor (214), a bypass circuit (216), a solid-state switch (218), and a voltage divider circuit (220). The bypass c...
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WO/2024/058066A1 |
A power storage device 50 for a vehicle comprises: a cell 60; a current interrupting device 53 that interrupts a current in the cell 60; and a management device 120. The management device 120, when an anomaly of the cell 60 is detected d...
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WO/2024/056317A1 |
The invention relates to an electrical energy store (1) for a motor vehicle for supplying at least one vehicle component of the motor vehicle, comprising: - at least two storage strands (S1, S2, S3, S4) which extend geometrically adjacen...
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WO/2024/057442A1 |
In a transformer protection relay (4), on the basis of whether or not both of a first condition (condition A) that second higher harmonic content percentage contained in a difference current between a primary side and a secondary side of...
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WO/2024/051839A1 |
The present application discloses a power supply tie transformer, and a regulation and control method therefor. The power supply tie transformer comprises: a multi-phase parallel transformer, a multi-phase series transformer, and a plura...
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WO/2024/045962A1 |
A protection method and system for a high-voltage direct-current circuit. The protection method for a high-voltage direct-current circuit comprises: acquiring direct-current circuit parameters and direct-current system operation paramete...
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WO/2024/045100A1 |
The present application relates to a relaying protection method, apparatus and device for a three-phase alternating-current system. The relaying protection method for a three-phase alternating-current system comprises: sampling a three-p...
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WO/2024/048020A1 |
The present invention provides a power supply system capable of rapid arc extinguishing when a series arc discharge or a parallel arc discharge has occurred at a part more on a power storage module side than a power conversion device. ...
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WO/2024/046270A1 |
The present invention belongs to the field of aerosol generation apparatus control, and particularly relates to an aerosol generation apparatus. The aerosol generation apparatus comprises a power source circuit, a switch circuit, a contr...
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WO/2024/048019A1 |
The present invention provides an electric power supply system (1, 201, 301) with which it is possible to rapidly extinguish an arc when arc discharge occurs. The present invention has an electric power supply module (2), a boosting ci...
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WO/2024/046519A1 |
The invention relates to a method for determining a temperature of an electric motor (1). For this purpose, a method for determining the rotor temperature (TR) and the stator temperature (Ts) in an electric motor (1) having a rotor (7) a...
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WO/2024/045652A1 |
The present application discloses a power supply control protection system and a control protection method. The system comprises: a switching power supply, a main controller, an auxiliary controller, a sampling circuit and an energy stor...
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WO/2024/043023A1 |
The object of the present invention is to achieve redundancy of a power supply function by a simple configuration, to ensure operational continuity in case of failure. A power grid (1) comprises: a first power supply path (20-1) that is ...
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WO/2024/041445A1 |
A battery power limit protection method and system, and a storage medium. The battery power limit protection method is applied to a vehicle, and the vehicle is provided with a battery management system. The method comprises: periodically...
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WO/2024/042608A1 |
This control device comprises: a first action control unit that causes a DC switch to open when a power conversion device is in a standby state and when a first DC voltage value acquired by a voltage acquiring unit has become greater tha...
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WO/2024/041734A1 |
A protection arrangement for a transformer includes at least one fault interrupter configured to be coupled to a at least one winding of the transformer, to protect the transformer from over-current faults, and a voltage protector config...
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WO/2024/037370A1 |
The present application provides a power conversion device and a protection method therefor. The power conversion device comprises a terminal plate, an electrical energy conversion circuit, and a controller; a first terminal and a first ...
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WO/2024/034004A1 |
Provided is a power distribution system management device in which an accident section estimation unit estimates a short-circuit accident section from a comparison result obtained by comparing a threshold value with a harmonic current am...
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WO/2024/032118A1 |
The present application discloses an overvoltage protection circuit and method, and a power supply system. The overvoltage protection circuit comprises: a voltage monitoring circuit configured to output a thyristor gating signal to a thy...
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WO/2024/033073A1 |
The invention relates to an electrical circuit (30, 30') for an electric machine (2), comprising a DC link (12) with a high path (12a) and a low path (12b) and with a DC link capacitor (14) interconnected in between, wherein a series cir...
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WO/2024/035587A2 |
A power supply system for use in a subsea environment includes an external power source operable to deliver a power input. A main circuit breaker is movable between a closed position and an open position. A subsea power switching unit (S...
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WO/2024/034325A1 |
Provided is a shutoff system (1) for shutting off an electric current path, the shutoff system (1) comprising: a shunt resistor (10) provided to the electric current path; and a pyro switch (20) having an internal resistor (21a), the pyr...
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WO/2024/034602A1 |
This battery charging device comprises: an electric power generator that generates electric power in accordance with rotation of a rotor and outputs an AC signal that corresponds to the generated electric power; a switching element that ...
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WO/2024/032932A1 |
A multiport protection apparatus (10) comprises a first DC link grid line (11), a plurality of protection switch units, each protection switch unit having a control input (60 to 63), a plurality of ports (20 to 29) and a controller (13) ...
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WO/2024/031795A1 |
Disclosed in the present invention are an interlocking device, an energy storage system comprising same, and a control method and device for an energy storage system. The interlocking device comprises: a first interlocking circuit, a fir...
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WO/2024/028351A1 |
The present disclosure relates to a method for controlling a protection system for an electrical power system comprising a transmission line terminated by a first terminal coupled to a first power source and by a second terminal coupled ...
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WO/2024/027163A1 |
Provided in the present application are a full-compensation arc suppression system and method based on adjustable reactance. The arc suppression system comprises a first contactor, a second contactor, a third contactor, a first adjustabl...
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WO/2024/025099A1 |
The present disclosure relates to a washing machine and a method for controlling a washing machine. When a current value outputted from an IPM is greater than or equal to a preset current value, a washing machine controls an OFF operatio...
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WO/2024/024214A1 |
Provided is a distributed electric power source electric power distribution system that cooperates with an anti-islanding device and is able to suppress over-voltages that occur when a ground fault has occurred multiple times during a re...
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WO/2024/021515A1 |
The present application discloses a zero-sequence resistive current differential protection method for an inter-station tie line of a small-resistance grounding system, comprising the following steps: 1) collecting a three-phase current ...
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WO/2024/023203A1 |
The invention relates to an electric circuit (10, 10', 10'') having the following features: a converter circuit (12, 12', 13') which is located between a first potential tap (16a) and a second potential tap (16b) and comprises a pluralit...
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WO/2024/020248A1 |
A stored program interpreter or virtual machine with a reduced or simple instruction set that implements a Sequencer which allows the programming of time-dependent behavior of controlled loads or circuits such as Electronic Circuit Break...
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WO/2024/013105A1 |
The present invention relates to a DC voltage switching device (100) for coupling, more particularly for switching on a DC voltage load (200), which comprises a first and a second input terminal (IN+, IN-) which are designed to apply an ...
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WO/2024/015284A1 |
A power controller system and method for monitoring available power from an input power source, such as one or more photovoltaic ("PV") cells/panels, and controlling power output to one or more loads. A predetermined threshold input volt...
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WO/2024/012744A1 |
The invention relates to activating an active discharge of a DC link capacitor. To this end, provision is made of a discharge device which can detect a condition for activating the discharge of a DC link capacitor independently of other ...
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WO/2024/013842A1 |
Provided is a shut-off device for a vehicle, the device being capable of operating so as to further draw out the durability performance of a switch. The shut-off device (1) comprises a first switch (33A) that switches an electrical pow...
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WO/2024/007488A1 |
The present application relates to a flexible direct-current receiving end alternating-current fault ride-through method and system, a computer device, a storage medium, and a computer program product. The method comprises: when a receiv...
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